Backup memory storage unit for electronic computer



FIG. 1 is a top, front and right side perspective view of a backup memory storage unit for electronic computer showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof the left side being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an enlarged front elevational view thereof the front panel being fragmentarily shown for convenience of illustration. 

The ornamental design for a backup memory storage unit for electronic computer, as shown and described. 